Björn Wissel

Associate Director & Environmental Scientist (Chemical)

Björn Wissel is the Associate Director and Environmental Scientist (Chemical) of IECS and holds appointments as Adjunct Professor in the Department of Biology and the Faculty of Graduate Studies and Research at the University of Regina. Björn Wissel earned a PhD from Louisiana State University, USA (Biology) and an MSc from the University of Technology Dresden, Germany (Hydrobiology). His research interests focus on the impacts of climate and land use on structure and functioning of aquatic ecosystems. In addition, Björn Wissel is an expert in developing new methods and applications in stable isotope ecology.

Tzu-Chiao Chao

Environmental Scientist (Molecular)

Tzu-Chiao Chao is Environmental Proteomics Scientist at the IECS and holds Adjunct Professor positions in the Department of Biology and the Faculty of Graduate Studies and Research at the University of Regina. Tzu-Chiao earned a PhD and Diploma in molecular biology at the Bielefeld University, Germany. His research interests are aimed to understand how environmental stressors and pollutants affect organisms and cells on the molecular level. To this end he employs and develops systems biological approaches including mass spectrometry-based proteomics and novel microfluidic-based single-cell techniques.

Gavin Simpson

Environmental Scientist (Numerical)

Gavin Simpson is Quantitative Environmental Scientist at the IECS and holds Adjunct Professor positions in the Department of Biology, and the Faculty of Graduate Studies and Research at the University of Regina. Gavin earned a B.Sc. (Hons.) in Environmental Geography and a Ph.D. in Geography from University College London, UK. He is a quantitative ecologist and palaeoecologist with over a decade of experience in research and consultancy. Gavin's research interests include dynamical systems ecology and abrupt ecological change, climate change effects on arctic lakes, nitrogen pollution of remote oligotrophic lakes, and recovery of lakes from acidification and eutrophication. Gavin sits on the editorial board of the journal Scientific Data. He contributes to a number of open source software initiatives and has written or contributed to a number of packages for the R statistical software.

Zoraida Quiñones-Rivera

Research Associate

Zoraida J. Quiñones-Rivera is a Research Associate in the IECS, in charge of water quality analyses. Zoraida earned her PhD (Oceanography) and MSc (Zoology and Physiology) from Louisiana State University, USA. In addition to water chemistry analyses and quantification of pigments using HPLC, she has expertise in stable isotope biogeochemistry, with special focus on contrasting the effects of metabolic processes and hydrology on oxygen and carbon cycling in hardwater lakes.